snakekeylogger | 0a80f14cc474ad3017d2a2138a89e7d667638421b0cd3340591de19a5a8b418f

General

Target

PURCHASE ORDER (2).exe
Size

881KB
MD5

20a391888281aae1523bcf182c1cb4e9
SHA1

587eea4c6fc96e91f316c60f31710071764440fa
SHA256

16ac39458488454a5d43d2f0d250fe014bf22ab1542ee6cbd10c6f69ab8d91d8
SHA512

98d5604761ee0a227d294837aa3c0d13145387f12bb3796aeaf8abc4d126c0ed24f3d75e3b1e6f04f15c072ca46bffdbc3ae57bb2e00b74567f390ee9077e157
SSDEEP

12288:rq15gMrgh3LbQb42hkSJsrg/S2rO8egXsyFIxN4Kuw+3L6tXju:rqLfgeE2KSJUQYIs4IN453LM

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7572469755:AAHCBLe3bEv-r8VSlR3NztVSSHz6JBpCC7s/sendMessage?chat_id=7207594974

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3996-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (2).exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	checkip.dyndns.org
10	reallyfreegeoip.org
11	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 3996	2580	PURCHASE ORDER (2).exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER (2).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER (2).exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3996	PURCHASE ORDER (2).exe
3996	PURCHASE ORDER (2).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	PURCHASE ORDER (2).exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90
PID 2580 wrote to memory of 3996	2580	PURCHASE ORDER (2).exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (2).exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (2).exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER (2).exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2580-10-0x000000000BDE0000-0x000000000BE7C000-memory.dmp

Filesize
624KB

Download
memory/2580-15-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2580-9-0x0000000004C20000-0x0000000004C8A000-memory.dmp

Filesize
424KB

Download
memory/2580-4-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/2580-5-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2580-6-0x00000000055F0000-0x000000000560E000-memory.dmp

Filesize
120KB

Download
memory/2580-7-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/2580-8-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2580-3-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/2580-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/2580-1-0x0000000000750000-0x0000000000832000-memory.dmp

Filesize
904KB

Download
memory/2580-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/3996-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3996-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3996-16-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3996-17-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3996-18-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3996-19-0x00000000064D0000-0x0000000006520000-memory.dmp

Filesize
320KB

Download
memory/3996-20-0x00000000066F0000-0x00000000068B2000-memory.dmp

Filesize
1.8MB

Download

Analysis

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